TITLE: GCN CIRCULAR NUMBER: 19890 SUBJECT: GRB 160905A: Fermi-LAT detection DATE: 16/09/05 19:11:35 GMT FROM: Julie McEnery at NASA/GSFC J. E. McEnery (NASA/GSFC), F. Longo (University & INFN Trieste), E. Bissaldi (Politecnico & INFN Bari) and D. Kocevski (NASA/GSFC) report on behalf of the Fermi-LAT team: At 11:18:55.91 on September, 05, 2016 Fermi-LAT detected high-energy emission from GRB 160905*A*, which was also detected by Swift (GCN 19887) and Fermi-GBM (trigger 494767139/160905471; GCN 19889). The data from the Fermi-LAT show a significant increase in the event rate that is spatially and temporally correlated with the trigger with high significance. The best LAT on-ground location is found to be RA, Dec = 162.02, -50.88 (J2000) with an error radius of 0.08 deg (90 % containment, statistical error only). This was 18 deg from the LAT boresight at the time of the trigger. The highest-energy photon is a *8 GeV* event which was observed *350* seconds after the GBM trigger. The Fermi-LAT point of contact for this burst is * Dan Kocevski (daniel.kocevski@nasa.gov )*. The Fermi-LAT is a pair conversion telescope designed to cover the energy band from 20 MeV to greater than 300 GeV. It is the product of an international collaboration between NASA and DOE in the U.S. and many scientific institutions across France, Italy, Japan and Sweden.